QDBOSS Fire Retardant Fiberglass Wall Panels uses high quality fiberglass board with different flame retardant fabric. Fire Retardant Fiberglass Wall Panels: the use of fire-retardant resin frame placed inside the fire-retardant non-combustible special acoustic cotton, the outer package of fire-retardant B1 level acoustic fabric after fire treatment or fiberglass fabric, etc. (fabric fire treatment up to the national fire GB8624 1997 B1 level with GB86242006 C level requirements)
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